Best Buy has the Acer Chromebook 15 (model # CB515-1HT-P39B) on sale ($80 off) for $319. LINK [bestbuy.com]
Appears to be free shipping but might vary by zip code.
I'm sure Best Buy charges tax almost everywhere!
Display: 15.6" FHD IPS LCD, touchscreen
Software: Google Chrome OS
CPU: Intel Pentium N4200
GPU: Intel HD Graphics 505
Webcam: 0.9MP, 720p
Connectivity: 802.11ac, Bluetooth 4.2
Ports: 2 x USB Type-C, 2 x USB Type-A 3.0, microSD
Measurements: 14.9 x 10.1 x 0.7", 3.97 lbs; 4.2 x 3.1" Touchpad
Full specs can be found at this LINK [acer.com]
(Acer web site. - Click on "Data Sheet" tab.)
From the limited research I've done, it appears this unit has only been sold via Acer web site and Best Buy. It looks like this is the first time it has been ever marked down.
First time posting a deal - please forgive any errors or omissions.